Finding the Third Proportional to 363,528 and 555,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,528 : 555,133.50 = 555,133.50 : x
2. Step 2: Convert to fraction form
   363,528/555,133.50 = 555,133.50/x
3. Step 3: Cross multiply
   363,528x = 555,133.50 × 555,133.50
4. Step 4: Simplify right side
   363,528x = 308,173,202,822.25
5. Step 5: Solve for x
   x = 308,173,202,822.25/363,528
6. Step 6: Final answer
   x = 847,728.93